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What causes depression, tired and weight gain? 7 possible conditions

See a list of possible causes in order from the most common to the least.

1

Seasonal Affective Disorder

Seasonal affective disorder (SAD) is a form of depression. People affected by SAD display symptoms of depression at the same time every year, typically during the fall and winter months. According to the America...

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2

Hypothyroidism

The thyroid gland produces a hormone that controls how your cells use energy (metabolize). Hypothyroidism occurs when the body doesn't produce enough. Untreated, it can cause complications like obesity and heart disease.

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3

Obesity

Obesity is an epidemic in the U.S. This condition puts people at a higher risk for serious diseases, such as type 2 diabetes, heart disease, and cancer.

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4

Bipolar Disorder

Bipolar disorder is a mental illness marked by extreme shifts in mood ranging from mania to depression. It is also called bipolar disease or manic depression.

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5

PMS (Premenstrual Syndrome)

Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.

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6

Postpartum Depression

Postpartum depression affects as many as 13 percent of new mothers. In the U.S., that's half a million women. Learn about symptoms, causes, risks, and more.

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7

Hashimoto's Disease

Hashimoto's disease is a condition that damages the thyroid's ability to function properly. It can cause a goiter, or enlarged thyroid, which can make the front of the neck look swollen.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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